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12.2.2 To Drill a Hole in the Wall and Install a Sleeve of Piping
1 Insert the piping sleeve to the hole.
2 Fix the bushing to the sleeve.
3 Cut the sleeve until it extrudes about 15 mm
from the wall.
CAUTION
When the wall is hollow, please be sure to use
the sleeve for tube assembly to prevent dangers
caused by mice biting the connection cable.
4 Finish by sealing the sleeve with putty or
caulking compound at the final stage.
15 mm
Putty or caulking compound
ø70 mm
through hole
Sleeve
for tube
assembly
Approx. 5 - 7 mm
Bushing for
tube assembly
Wall
Outdoor
Indoor
